66079280

素因数分解:

$2^4\times 5^1\times {\mathrm{825991}}^1$

素因数の和:826004

約数の個数: 20

約数和(自身を含む): 153634512

約数和(自身を除く): 87555232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 825991, 1651982, 3303964, 4129955, 6607928, 8259910, 13215856, 16519820, 33039640, 66079280]

約数ペア:

[(1, 66079280), (2, 33039640), (4, 16519820), (5, 13215856), (8, 8259910), (10, 6607928), (16, 4129955), (20, 3303964), (40, 1651982), (80, 825991)]